EXCLUSIVE: See Ashlee & Pete's First Wedding Photo

Ashlee Simpson and Pete Wentz's weekend wedding may have looked like the ultimate rocker event – complete with 10,000 black magic roses, red-and-black décor and chandeliers dripping with crystals – but for the couple and their 150 guests, it felt more like a sweet fairy tale, PEOPLE reveals in its new issue.

"She looked like a girl right out of a movie," the groom, 28, says about his new bride, 23, who wore an ivory lace Monique Lhuillier gown and a cathedral-length veil during the nondenominational ceremony officiated by her father, Joe Simpson.

For more on the extraordinary event – from the four-legged ring bearer and outlandishly-shaped wedding cake, to the couple's first kiss – pick up the latest PEOPLE, on newsstands Friday